孕期出现便秘，下列哪一项处理是不恰当的(    )

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• 1妊娠末期易出现仰卧位低血压的原因是(    )

  A.孕期血容量减少

  B.孕期血管舒缩功能异常

  C.增大的子宫压迫下腔静脉，使回心血量及心排出量减少

  D.生理性贫血

  E.低钙血症

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• 2关于孕期下肢水肿，下列哪一项描述是不恰当的(    )

  A.休息后可消退为正常现象

  B.左侧卧位，休息时下肢抬高可缓解生理性下肢水肿

  C.与增大的子宫压迫下腔静脉有关

  D.休息后不缓解要考虑到妊娠期高血压疾病、妊娠合并肾脏疾病等

  E.水肿明显时应服用利尿剂治疗

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• 3便秘是孕期的常见症状，其原因是(    )

  A.孕期活动量减少所致

  B.孕期饮食结构的变化所致

  C.孕期肠蠕动减弱，排空时间延长，水分被肠壁吸收

  D.孕期肠道菌群改变所致

  E.孕期经常需补充钙剂，服用钙片的副作用

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• 4美国食品和药物管理局根据药物对胎儿的致畸情况，将药物对胎儿的危害性等级分为(    )

  A.A、B、C、D、X5级

  B.A、B、C、D4级

  C.A、B、C、D、E5级

  D.A、B、C、D、E、F、X7级

  E.A、B、C、D、E、F、G7级

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• 5可能引起孕期母体贫血的主要营养因素有(    )

  A.维生素C不足

  B.铁的吸收利用率低

  C.维生素B12摄入不足

  D.叶酸摄入不足

  E.锌摄入不足

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• 6The advantages of routine early scanning of pregnancy are not(    )

  A.Confirmation of continuing pregnancy

  B.Exclusion o fmultiple pregnancy

  C.Accurate identification of gestational age

  D.Recognition of major fetal anomalies

  E.Identification of fetal sexuality

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• 7Which event is not appropriate inpregnancy(    )

  A.A diet high in fibre and fruit

  B.Avoid any form of medication in any time

  C.Sexual intercourse

  D.Exercise and work may be continued

  E.Use of iron and folic acid supplements

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• 8To screening for congenital abnormality through measurement of nuchal translu-cency(NT)，which stage is the most suitable(    )

  A.11 to 14 weeks

  B.15 to 21 weeks

  C.20 to 24 weeks

  D.28 to 32 weeks

  E.8 to 10 weeks

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• 9Through which method of determining gestational age is most reliable(    )

  A.Calculate from the size of natal in the second trimester

  B.Calculate from the date of the last menstrual period

  C.Measurement of uterine size

  D.Measure crown-rump length in the early stage of pregnancy

  E.Calculate from the time of the earliest complaint inpregnancy

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• 10If the fetal biophysical assessment suggested the score is 4，which treatment is ap­propriate(    )

  A.Repeat in 1 week

  B.Repeat twice weekly

  C.Repeat in 24 hours

  D.If fetal pulmonary maturity assured and cervix favourable，repeat in 24 hours

  E.If persistent score of 4 to 6，deliver if fetal pulmonary maturity certain

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